While interviewing more than 60 ADU Homeowners for the ADU Case Studies project, I came across several different ways that people use their ADUs. I heard time and time again that ADUs provide housing flexibility and give their owners additional rental options as their life circumstances change. ADU owners can Rent One, Both, or Neither. But I’d always assumed that when an owner decided to rent out either their house or ADU they’d be renting it to a single household. Then I got to talking to Lisa Lonstron who lives in her basement ADU. Her other house – the one she lived in before she turned her basement into her apartment – is a rooming house.

Because Keith & Stephanie’s home is located in an historic district and their garage was considered a contributing structure, they had a few additional design considerations. They were required to go through a Type II Design Review and retain two walls of the existing garage.The guiding principle for this project is to build a miniature Irvington home with all the features.

Sheila Butler and her husband Brad first learned about ADUs when they purchased a piece of property that had a half-built shell in the backyard. The previous owners had begun construction of a guesthouse and never finished the project.

To learn more about this company, check out Design-Builder Profile: environs llc. For a more in-depth look at their work, check out Marenda Chamberlin & Heidi Lohman’s ADU: A Bright, Modern Loft. … Continue reading →

Read on to learn about the benefits of basement ADUs, find links to examples of basement ADUs, and become familiar with what the deal-breakers are if you’re considering converting a basement into an ADU.

Lisa took out a home equity line of credit to fund her basement ADU and supplemented it with a portion of each month’s income from her employment. However, many of the finishing touches were a labor of love. Lisa’s key design consideration was staying on budget while using creative design and décor to make it interesting.

Garage to ADU conversions are the second most common way to create additional dwelling space within our existing building stock. Read on to learn about the benefits of garage to ADU conversions, find links to examples of converted garage ADUs, and become familiar with what the deal-breakers are if you’re considering converting a garage into an ADU.

As Tatiana and her husband Rafael looked for a new home, accommodating an ADU was a key criterion. As Tatiana and her husband Rafael looked for a new home, accommodating an ADU was a key criterion. For Tatiana’s expert tips check out How to Find a Property with ADU Potential.

Xenelis-Mendoza ADU from Street
Xenelis-Mendoza ADU from Street
“We were looking for a house with the potential for an ADU. This particular property is a corner lot and it has a backyard that was accessible from the side street. The house sat and faced forward on one street and the new door from the ADU is accessible from the corner street.” – Tatiana Xenelis-Mendoza
The house they purchased in Portland’s Portsmouth neighborhood had potential for a basement ADU, with one major caveat: they didn’t have the code-required ceiling height of 6’-8” for a basement ADU.

As Barbara worked with Jack Barnes to begin noodling through the design considerations for her guest house, they decided to work with the existing conditions whenever possible. Working within the existing shell was both an efficient use of materials and a way to avoid possible complications from the historic design review process.

Registration for the November 7th ADU Tour is now live; early bird sales end on October 24th. For those seeking design inspiration for small houses, the ADUs on this upcoming tour are exceptionally beautiful. Here’s a sneak preview of a few of some of them.

Joan and Rita’s carve-out ADU entailed creating a new entry on the north side of their house, and separating the ADU from the main house by building a wall in the former hallway leading to an existing full bath and the underutilized bedroom. The kitchen-dining-living area is the located in the front of the original house with a large bank of windows offering natural daylight and garden views, and the more private bed and bath areas are located toward the back.

John and his wife Stephani decided to use their savings to purchase a house with potential for a basement ADU. This investment would provide flexibility in terms of both their finances and their housing options.

The first time Billy Hines saw his three bedroom house in Portland’s Alberta Arts District, he decided that someday he’d make the old carriage house into an apartment. In 2006 he went through the process of converting the existing accessory structure into a permitted ADU.

Blake and Sabina’s decided to convert their basement into an ADU in case their family members wanted to move in. But with an out-of-state job offer on the table, they ended up remodeling both the house and the ADU to be rentals.

Francie and Michael had three primary design criteria for their ADU. First, it had to be easy to maintain. Second, it had to be sustainable – both financially and environmentally. Finally, it had to be a pleasant space to call home.

When Bonnie Dalton was younger, her grandma lived in a family owned ADU. So when Bonnie was older and her husband’s parents needed a little extra support, Bonnie naturally thought of creating an ADU at her own house.

As a builder, contractor, and cabinet maker, Caleb Bruce builds boxes for a living, but he has also developed a knack for out-of-the-box thinking. Here’s the story of how Caleb turned an existing house into a secondary dwelling (or an accessory dwelling as we call them in Portland, OR).

7 years ago we were living in a 5+ bedroom house with garage, attic and basement- all packed to the gills. We couldn’t imagine ever living anywhere else…. but somewhere along the lines our ideals started shifting.

“I was surprised how easy it is to increase density on a single-family lot and still feel like there’s plenty of space,” says Naomi. “The entire process was one of the most gratifying experiences I’ve had.”

Derin and Andra realized that if they were going to a do a full basement remodel, including a full seismic upgrade and new bedrooms, a bathroom, and recreation space, it would make sense to add a kitchen as well to create a fully self-contained unit. As they researched ADUs they were convinced to create one in their basement because it would create housing flexibility, enable them to have family close by, create community, and provide income potential.

John used a home equity line of credit (HELOC) and credit cards to turn his basement apartment into a permitted ADU. His primary design consideration was that he wanted the apartment to be a fully self-contained residence.

When Wally and Lara decided to get married, start a family, and start their own business, they decided they wanted a space of their own. However, they didn’t want their friends to have to have to move out, so Wally and Lara decided to convert the basement into a separate affordable living space.

Jill’s little home includes salvaged materials, low-flow fixtures, three salvaged doors, no dryer, solar panels, a ductless heat pump, a Rheem water heater, rain garden, skylights, and Marmoleum floors. She also installed grid-tied solar panels on the ADU which cover electricity for her lights, appliances, and heating.

As she worked with Jack, Susan’s primary design consideration became maximizing the size of the ADU while adhering to Historic Neighborhood requirements. Prior to applying for her permits, Susan paid for a design consultation meeting with the city of Portland and Jack brought preliminary sketches to explore various possibilities.

My architect, Jack, did his homework on what could be built, given these limitations and nailed down a design that was accepted on the first try with no changes. That was impressive. We were told by everyone we would never get what he wanted past city permit without going through design review but he did. -Susan Moray

Back in 2005, I was trying to figure out how to create affordable home ownership opportunities without public subsidies in a strong housing market. With a background in affordable housing … Continue reading →